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Current status of sweetpotato genomics research
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  • Journal title : Journal of Plant Biotechnology
  • Volume 42, Issue 3,  2015, pp.161-167
  • Publisher : The Korean Society of Plant Biotechnology
  • DOI : 10.5010/JPB.2015.42.3.161
 Title & Authors
Current status of sweetpotato genomics research
Yoon, Ung-Han; Jeong, Jae Cheol; Kwak, Sang-Soo; Yang, Jung-Wook; Kim, Tae-Ho; Lee, Hyeong-Un; Nam, Sang-Sik; Hahn, Jang-Ho;
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Sweetpotato [Ipomoea batatas (L.) Lam] grows well in harsh environmental conditions, and is cultivated as one of the top seven food crops in the world. Recently, sweetpotato is drawing interest from people as a healthy food because it is high in dietary fiber, vitamins, carotenoids and overall nutrition value. However, few studies have been conducted on sweetpotato genome sequencing in spite of its importance. This review is aimed at increasing the efficiency of sweetpotato genome sequencing research as well as establishing a base for gene utilization in order to control useful traits. Recently, animal and plant genome sequencing projects increased significantly. However, sweetpotato genome sequencing has not been performed due to polyploidy and heterogeneity problems in its genome. Meanwhile research on its transcriptome has been conducted actively. Recently, a draft of the diploid sweetpotato genome was reported in 2015 by Japanese researchers. In addition, the Korea-China-Japan Trilateral Research Association of Sweetpotato (TRAS) has conducted research on gene map construction and genome sequencing of the hexaploid sweetpotato Xushu 18 since 2014. The Bill & Melinda Gates Foundation launched the 'sweetpotato genomic sequencing to develop genomic tools for Sub-Sahara Africa breeding program'. The chloroplast genome sequence acquired during sweetpotato genome sequencing is used in evolutionary analyses. In this review, the trend of research in the sweetpotato genome sequencing was analyzed. Research trend analysis like this will provide researchers working toward sweetpotato productivity and nutrient improvement with information on the status of sweetpotato genome research. This will contribute to solving world food, energy and environmental problems.
Sweetpotato;Genoimcs;Transcripome;Molecular breeding;
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